Home / 1,929,112.29-2,893,077.21-1,333,898.37

Finding the Fourth Proportional to 1,929,112.29, 2,893,077.21 and 1,333,898.37

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Solution

The fourth proportional to 1,929,112.29, 2,893,077.21 and 1,333,898.37 is: 2,000,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,112.29 : 2,893,077.21 = 1,333,898.37 : x
  2. Step 2: Convert to fraction form
    1,929,112.29/2,893,077.21 = 1,333,898.37/x
  3. Step 3: Cross multiply
    1,929,112.29x = 2,893,077.21 × 1,333,898.37
  4. Step 4: Simplify right side
    1,929,112.29x = 3,859,070,974,703.15
  5. Step 5: Solve for x
    x = 3,859,070,974,703.15/1,929,112.29
  6. Step 6: Final answer
    x = 2,000,438.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.